How can I stop a male cardinal from repeatedly hitting my windows?

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Episode Number: 10

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Location Taken: US

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Welcome to CoreFacts, where we're always short on time, but big on science. I'm Steve Sobieszczyk. Let's get right to it, today's question is:

How can I stop a male cardinal from repeatedly hitting my windows?

Believe it or not, this is a common problem. The bird sees the reflection and thinks it is another bird encroaching on his territory. One solution is to put a silhouette of a hawk in the window. That should scare them off. Birding and nature stores sell paper cutouts that you can tape to the window.

And now you know. Join us every weekday for a new CoreFact. If you're looking for more in-depth science coverage, please check out the USGS CoreCast at usgs.gov/corecast. If you think you have a question that's worth answering on the air, send it to us either via email at corefacts@usgs.gov [that's C-O-R-E-F-A-C-T-S at USGS dot GOV] or give us a call and leave a voicemail at 703-648-5600; and that is a long distance number, unless you're in the 703 area code, so long distance fees do apply.

The USGS CoreFacts is a product of the U.S. Geological Survey, Department of the Interior.

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